#include <iostream>
#include <string>

class Student
{
public:
    //构造函数可以重载
    Student()  //无参构造函数
    {
        std::cout<<"无参构造函数！\n";
    }

    //当定义了带参构造函数，编译器不会在生成默认的构造函数
    Student(int id,const char *name)//带参构造
    {
        std::cout<<"带参构造函数"<<std::endl;
        m_id = id;
        m_name = name;
    }

    Student(const Student& s)//拷贝构造:参数得是对象的常引用
    {
        std::cout << "拷贝构造函数" << std::endl;
        m_id = s.m_id;
        m_name = s.m_name;
    }
    //赋值运算符的重载
    void operator=(const Student& s)
    {
        std::cout << "赋值运算符的重载" << std::endl;
        m_id = s.m_id;
        m_name = s.m_name;
    }  
    ~Student()//析构函数不能带参数，不能重载
    {
        std::cout<<"析构函数\n";
    }
private:
    int m_id;
    std::string m_name;

};

int main()
{
    Student s(1,"zhangsan");//在定义对象时自动调用
    Student s2;
    s2 = s;
    return 0;
}
